Home / 449,213,089.61-673,818,730.82-421,877,060.41

Finding the Fourth Proportional to 449,213,089.61, 673,818,730.82 and 421,877,060.41

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Solution

The fourth proportional to 449,213,089.61, 673,818,730.82 and 421,877,060.41 is: 632,814,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,213,089.61 : 673,818,730.82 = 421,877,060.41 : x
  2. Step 2: Convert to fraction form
    449,213,089.61/673,818,730.82 = 421,877,060.41/x
  3. Step 3: Cross multiply
    449,213,089.61x = 673,818,730.82 × 421,877,060.41
  4. Step 4: Simplify right side
    449,213,089.61x = 284,268,665,405,429,312
  5. Step 5: Solve for x
    x = 284,268,665,405,429,312/449,213,089.61
  6. Step 6: Final answer
    x = 632,814,742.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.